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Pest birds can become a costly nuisance to property owners. Some people have resorted to lethal means to eliminate their bird problem, but they don’t realize that doing so could be a violation of state and/or federal law. Many migratory birds are protected from harm by these laws and heavy fines have been levied against violators. Currently, there are only three birds that are not federally protected: Feral pigeons, European starlings and House sparrows. Protected species can’t be killed or injured...

When performing screening level and baseline risk assessments, assessors usually compare estimated exposures of wildlife receptor species to toxicity reference values (TRVs). We modeled the exposure of American robins (Turdus migratorius) to ten elements (As, Cd, Cr, Cu, Hg, Mn, Pb, Se, Zn and V) in spring and early summer, a time when earthworms are preferred prey. We calculated soil benchmarks associated with possible toxic effects to these robins from six sets of published TRVs. Several of the resulting soil...

Wildlife can be exposed to human pharmaceuticals via prey that have accumulated the compounds from wastewater, surface water, sediment and soil. One factor affecting internal absorption of pharmaceuticals is bioaccessibility, the proportion of the compound that enters solution in the gastrointestinal tract. Currently, the bioaccessibility of most pharmaceuticals in prey remains unknown for most wildlife species. Here, we evaluate the potential of a two‐compartment in vitro gastrointestinal tract model to compare...

If we get smarter about how we use and manage water, we can have healthy rivers and healthy economies side by side.
When you look to the year ahead, what do you see? Ensia recently invited eight global thought leaders to share their vision for the environment as it relates to business, culture, ecosystems, energy, food, health, water and the world (see more). In this installment, Sandra Postel, director of the Global Water Policy Project, answers the question: “In 2016, what advance related to water would...

Nowadays floodplain areas are reduced in size or no longer function as active floodplains, thereby impacting on the delivery of environmental services to local and regional communities and economies. These services include regulating services such as protection against floods or water purification; provisioning services, such as nutrient collection and fertile soil formation; and cultural services, such as recreational, tourism and educational services; transport routes; and finally a secure water supply.
Many...

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